The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 21, 2012
Filed:
Aug. 05, 2009
Joseph Young-long Chen, Ann Arbor, MI (US);
Arvo J. Siismets, Troy, MI (US);
Scott R. Zechiel, Ypsilanti, MI (US);
Michael S. Powell, Holt, MI (US);
Joseph Young-Long Chen, Ann Arbor, MI (US);
Arvo J. Siismets, Troy, MI (US);
Scott R. Zechiel, Ypsilanti, MI (US);
Michael S. Powell, Holt, MI (US);
Abstract
A scissor gear assembly may include first and second gears, a friction plate, and a biasing member. The first gear may have a first number (n) of gear teeth extending from a perimeter thereof. The second gear may have a second number (m) of gear teeth extending from a perimeter thereof and may be concentrically mounted relative to the first gear and rotatable relative to the first gear. The second number (m) of gear teeth may be greater than the first number (n) of gear teeth. The friction plate may be rotationally fixed relative to the first gear. The biasing member may have a first end axially fixed relative to the first gear and a second end axially biasing the second gear and the friction plate into engagement with one another.